const DTYPE cos_coefficients_table[]={1.000000,0.707107,0.000000,-0.707107,-1.000000,-0.707107,-0.000000,0.707107};



const DTYPE sin_coefficients_table[]={-0.000000,-0.707107,-1.000000,-0.707107,-0.000000,0.707107,1.000000,0.707107};


